<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      .waves {
        position: absolute;
        width: 100%;
        height: 50%;
        bottom: 0;
        left: 0;
        border-radius: 10px;
      }

      @mixin fill_backgroundcolor($backcoler) {
        fill: $backcoler;
      }

      .parallax > use {
        animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite;
        @include fill_backgroundcolor(rgb(179, 238, 220));
        opacity: 0.8;
      }

      .parallax > use:nth-child(1) {
        animation-delay: -2s;
        animation-duration: 7s;
      }

      .parallax > use:nth-child(2) {
        animation-delay: -3s;
        animation-duration: 10s;
      }

      .parallax > use:nth-child(3) {
        animation-delay: -4s;
        animation-duration: 13s;
      }

      .parallax > use:nth-child(4) {
        animation-delay: -5s;
        animation-duration: 20s;
      }

      @keyframes move-forever {
        0% {
          transform: translate3d(-90px, 0, 0);
        }

        100% {
          transform: translate3d(85px, 0, 0);
        }
      }
    </style>
  </head>
  <body>
    <div></div>
    <svg
      class="waves"
      xmlns="http://www.w3.org/2000/svg"
      xmlns:xlink="http://www.w3.org/1999/xlink"
      viewBox="0 24 150 28"
      preserveAspectRatio="none"
      shape-rendering="auto"
    >
      <defs>
        <path
          id="gentle-wave"
          d="M-160 44c30 0 58-18 88-18s 58 18 88 18 58-18 88-18 58 18 88 18 v44h-352z"
        />
      </defs>
      <g class="parallax">
        <use xlink:href="#gentle-wave" x="48" y="0" />
        <use xlink:href="#gentle-wave" x="48" y="3" />
        <use xlink:href="#gentle-wave" x="48" y="5" />
        <use xlink:href="#gentle-wave" x="48" y="7" />
      </g>
    </svg>
  </body>
</html>
